Department of Radiology, Beijing Jishuitan Hospital, the Fourth Clinical Medical College of Peking University, Beijing 100035,China;
Department of Radiology, Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, China;
Department of Radiology, Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, China;
Department of Radiology, Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, China;
Department of Radiology, Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, China;
Department of Radiology, Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, China;
Department of Radiology, Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150086, China;